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California Diamond Jubilee

Country:  United States of America (USA)
Manufacturer / Brand:  Unknown - CUSTOM BUILT: USA
Year: 1925 Category: Detector-Radio (Crystal or diode, without tubes/transistors)
Main principle Crystal or Solid State Detector
Wave bands Broadcast only (MW).
Loudspeaker - For headphones or amp.
Power out
from Model: California Diamond Jubilee - Unknown - CUSTOM BUILT: USA
Material Leather / canvas / plastic - over other material
Shape Very small Portable or Pocket-Set (Handheld) < 8 inch.
Dimensions (WHD) 3.8 x 4.5 x 0.6 inch / 97 x 114 x 15 mm

Small pocket sized crystal radio set designed like a small book.

Similar sets are known from different manufacturers/brands . Only difference is the impressed name. Everything else is identical.

Similar models:
Receptor Radionola 
The Century Wonder 
Spencer Pocket Radio 
The Little Giant    

Mentioned in Crystal Clear (Volume 1) (p.56)

Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.

All listed radios etc. from Unknown - CUSTOM BUILT: USA
Here you find 266 models, 217 with images and 12 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.